var token = localStorage.getItem("token");
if (token) {
    $.get("/user/isLogin", { "token": token}, function (data) {
        if(data.code != 1){//未登录
            localStorage.removeItem("token");
        }})
    }
    Array.prototype.indexOf = function (val) {
        for (var i = 0; i < this.length; i++) {
            if (this[i] == val) return i;
        }
        return -1;
    };

    Array.prototype.remove = function (val) {
        var index = this.indexOf(val);
        if (index > -1) {
            this.splice(index, 1);
        }
    };


    function readHistory() {

        var books = localStorage.getItem("historyBooks");
        var bookIds = "-1929";
        if (books) {
            bookIds = JSON.parse(localStorage.getItem("historyBooks")).join(",");
        }
        window.location.href = "/book/search?historyBookIds=" + bookIds;
    };



